Collaborative Research: Polenet East: An International Seismological Network for East Antarctica
Collaborative Research: Polenet East: An International Seismological Network for East Antarctica
批准号:
0838934
负责人:
Douglas Wiens
金额:
$25.0万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2009
资助国家:
美国
项目状态:
已结题
起止时间:
2009-09-01 至 2012-08-31
中文摘要
该奖项是根据2009年《美国复苏和再投资法案》(公法111-5)提供资金的。东南极的高海拔对于定位最初的新生代冰川并使其稳定在温暖的间冰期融化方面是至关重要的。然而,人们对该地区的地质历史和维持高地的地球物理机制知之甚少。2007年至2009年,作为南极S甘布尔采夫省国际极年项目的一部分,在南极东部高原甘布尔采夫山区安装了一组24台宽带地震仪(名为GAMSEIS)。IPY AGAP/GAMSEIS方案包括其他国际合作伙伴在甘布尔采夫山脉两侧和其他东南极地区安装地震仪的计划。拟议的项目将继续运营已部署的AGAP/GAMSEIS台站中的六个,并增加两个新的宽带地震台,以扩大阵列的地理范围。大多数空间站将设在现有的美国自主地球物理观测站和USAP燃料库位置,以最大限度地减少后勤支持。该台阵与中国和日本(可能在不久的将来还会有澳大利亚、法国和意大利)部署的地震仪相结合,将为东南极高原下地壳和上地幔结构的长期研究提供一个稀疏但规模较大的地震仪网络。对学生的持续依赖为这项拟议的研究提供了更广泛的影响,并使这一努力在其教育使命中站稳了脚跟。
英文摘要
This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5). The high elevations of East Antarctica are critical in localizing the initial Cenozoic glaciation and stabilizing it with respect to melting during warm interglacials. However, the geological history for this region and the geophysical mechanism for maintaining the highlands are poorly understood. In 2007-2009, an array of 24 broadband seismographs (named GAMSEIS) was installed across the Gamburtsev Mountains area of the East Antarctic Plateau as part of the Antarctica?s Gamburtsev Province (AGAP) International Polar Year project. The IPY AGAP/GAMSEIS program included plans by other international partners to install seismographs at locations along the flanks of the Gamburtsev Mountains and in other East Antarctic regions. The proposed project will continue operating six of the deployed AGAP/GAMSEIS stations for two more years together with two new broadband seismic stations added to broaden the geographic scope of the array. Most stations will be located at the existing U.S. Autonomous Geophysical Observatories and the USAP fuel cache locations in order to minimize logistical support. This array, combined with seismographs deployed by China and Japan (and possibly Australia, France, and Italy in near future) will provide a sparse but large-scale network of seismometers for the longer-term studies of the crustal and upper mantle structures underneath the East Antarctic Plateau. Continued reliance on students provides a broader impact to this proposed research and firmly grounds this effort in its educational mission.
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批准号:2228413
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项目类别:Continuing Grant
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资助金额:$53.5万
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依托单位:
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批准号:1945693
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项目类别:Standard Grant
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批准号:2025969
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批准号:1928914
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项目类别:Continuing Grant
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资助金额:$25.3万
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财政年份:2020
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负责人:Douglas Wiens
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依托单位:
Comprehensive Seismic and Thermal Models for Antarctica and the Southern Oceans: A Synthesis of 15-years of Seismic Exploration
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批准号:1744883
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项目类别:Standard Grant
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资助金额:$17.26万
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财政年份:2018
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负责人:Douglas Wiens
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依托单位:
Collaborative Research: Investigating Ice Sheet - Solid Earth Feedbacks in West Antarctica: Implications for Ice Sheet Evolution and Stability
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批准号:1744889
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项目类别:Continuing Grant
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资助金额:$42.36万
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财政年份:2018
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负责人:Douglas Wiens
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依托单位:
Collaborative Research: Solid Earth Response of the Patagonian Andes to Post-Little Ice Age Glacial Retreat
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批准号:1714154
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项目类别:Standard Grant
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资助金额:$58.73万
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财政年份:2017
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负责人:Douglas Wiens
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依托单位:
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批准号:1142518
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项目类别:Standard Grant
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资助金额:$37.42万
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财政年份:2013
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负责人:Douglas Wiens
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依托单位:
Collaborative Research: POLENET-Antarctica: Investigating Links Between Geodynamics and Ice Sheets - Phase 2
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批准号:1246712
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项目类别:Continuing Grant
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资助金额:$70.5万
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财政年份:2013
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负责人:Douglas Wiens
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依托单位:
CSEDI Collaborative Research: Integrating Seismological, Rheological and Petrological Studies of Melt Production and Transport in Subduction Zones
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批准号:1067928
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项目类别:Continuing Grant
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资助金额:$6.69万
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财政年份:2011
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负责人:Douglas Wiens
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依托单位:
Collaborative Research: Geophysical Study of Ice Stream Stick-slip Dynamics
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批准号:0944671
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项目类别:Continuing Grant
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资助金额:$17.39万
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财政年份:2010
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负责人:Douglas Wiens
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依托单位:
Collaborative Research: Mantle Serpentinization and Water Cycling Through the Mariana Trench and Forearc
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批准号:0841074
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项目类别:Continuing Grant
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资助金额:$41.31万
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财政年份:2010
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负责人:Douglas Wiens
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依托单位:
Collaborative Research: Superior Province Rifting Earthscope Experiment (SPREE)
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批准号:0952154
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项目类别:Continuing Grant
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资助金额:$45.48万
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财政年份:2010
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负责人:Douglas Wiens
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依托单位:
Extending the Lau Imaging Experiment to Study the Deep Tonga Seismic Zone
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批准号:0911137
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项目类别:Standard Grant
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资助金额:$19.34万
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财政年份:2009
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负责人:Douglas Wiens
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依托单位:
Acquisition of a New Linux-Based Computer System for Geophysical Research
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批准号:0842295
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项目类别:Standard Grant
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资助金额:$7.49万
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财政年份:2009
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负责人:Douglas Wiens
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依托单位:
Collaborative Research: Crustal Accretion and Mantle Processes Along the Subduction-Influenced Eastern Lau Spreading Center
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批准号:0426408
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项目类别:Continuing Grant
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资助金额:$53.5万
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财政年份:2008
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负责人:Douglas Wiens
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依托单位:
Mantle Serpentinization and Subduction of Water: Constraints from Seismological studies of the Tonga Outer Rise
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批准号:0752476
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项目类别:Standard Grant
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资助金额:$19.56万
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财政年份:2008
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负责人:Douglas Wiens
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依托单位:
IPY: POLENET-Antarctica: Investigating Links Between Geodynamics and Ice Sheets
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批准号:0632209
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项目类别:Continuing Grant
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资助金额:$59.57万
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财政年份:2007
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负责人:Douglas Wiens
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依托单位:
Collaborative Research: A Broadband Seismic Experiment to Image the Lithosphere Beneath the Gamburtsev Mountains and Surrounding Areas, East Antarctica
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批准号:0537597
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项目类别:Continuing Grant
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资助金额:$44.12万
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财政年份:2007
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负责人:Douglas Wiens
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依托单位:
Collaborative Research: POLENET Workshops: GPS & Seismology Planning for IPY
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批准号:0652864
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项目类别:Standard Grant
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资助金额:$1.95万
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财政年份:2006
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负责人:Douglas Wiens
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依托单位:
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